diff --git a/source/java/org/alfresco/repo/security/authority/AuthorityBridgeTableAsynchronouslyRefreshedCache.java b/source/java/org/alfresco/repo/security/authority/AuthorityBridgeTableAsynchronouslyRefreshedCache.java
index 9862d79575..a19c3b92c1 100644
--- a/source/java/org/alfresco/repo/security/authority/AuthorityBridgeTableAsynchronouslyRefreshedCache.java
+++ b/source/java/org/alfresco/repo/security/authority/AuthorityBridgeTableAsynchronouslyRefreshedCache.java
@@ -21,6 +21,9 @@ package org.alfresco.repo.security.authority;
 import java.util.List;
 
 import org.alfresco.repo.cache.AbstractAsynchronouslyRefreshedCache;
+import org.alfresco.repo.security.authentication.AuthenticationUtil;
+import org.alfresco.repo.security.authentication.AuthenticationUtil.RunAsWork;
+import org.alfresco.repo.tenant.TenantAdminService;
 import org.alfresco.repo.transaction.RetryingTransactionHelper;
 import org.alfresco.repo.transaction.RetryingTransactionHelper.RetryingTransactionCallback;
 import org.alfresco.util.BridgeTable;
@@ -35,6 +38,7 @@ public class AuthorityBridgeTableAsynchronouslyRefreshedCache extends AbstractAs
 {
     private AuthorityBridgeDAO authorityBridgeDAO;
     private RetryingTransactionHelper retryingTransactionHelper;
+    private TenantAdminService tenantAdminService;
 
     /**
      * @param authorityBridgeDAO
@@ -54,17 +58,29 @@ public class AuthorityBridgeTableAsynchronouslyRefreshedCache extends AbstractAs
         this.retryingTransactionHelper = retryingTransactionHelper;
     }
 
+    public void setTenantAdminService(TenantAdminService tenantAdminService)
+    {
+        this.tenantAdminService = tenantAdminService;
+    }
+
     @Override
     protected BridgeTable<String> buildCache(final String tenantId)
     {
-        return retryingTransactionHelper.doInTransaction(new RetryingTransactionCallback<BridgeTable<String>>()
+        return AuthenticationUtil.runAs(new RunAsWork<BridgeTable<String>>()
         {
-            @Override
-            public BridgeTable<String> execute() throws Throwable
+            public BridgeTable<String> doWork() throws Exception
             {
-                return doBuildCache(tenantId);
+                return retryingTransactionHelper.doInTransaction(new RetryingTransactionCallback<BridgeTable<String>>()
+                {
+                    @Override
+                    public BridgeTable<String> execute() throws Throwable
+                    {
+                        return doBuildCache(tenantId);
+                    }
+                }, true, false);
+
             }
-        }, true, false);
+        }, tenantAdminService.getDomainUser(AuthenticationUtil.getSystemUserName(), tenantId));
     }
 
     private BridgeTable<String> doBuildCache(String tenantId)